STEPS TO REPRODUCE 1. Enter some regexp (like /[kde]*/) 2. Press on "One of the following characters" widget 3. Press Enter OBSERVED RESULT https://docs.kde.org/index.php?branch=stable5&language=ru_RU&application=kregexpeditor&path=/kregexpeditor/index.html is opened. The page says that "The application kregexpeditor could not be found." EXPECTED RESULT Nothing happens, or, at least, the link to the valid docs is opened. SOFTWARE/OS VERSIONS Linux/KDE Plasma: (available in About System) KDE Plasma Version: 5.14.5 KDE Frameworks Version: 5.54.0 Qt Version: 5.11.3 ADDITIONAL INFORMATION This is especially annoying when pressing "Enter" on text fields.